package juc;

public class Test {

    public static void main(String[] args) {
        A a = new A();
        int ss = a.getBs();
        System.out.println(2);
    }

   static class A{
        String as;
        Integer bs;

        public String getAs() {
            return as;
        }

        public void setAs(String as) {
            this.as = as;
        }

       public Integer getBs() {
           return bs;
       }

       public void setBs(Integer bs) {
           this.bs = bs;
       }
   }
}
